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<a name="GtkApplication"></a><div class="titlepage"></div>
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<td valign="top">
<h2><span class="refentrytitle"><a name="GtkApplication.top_of_page"></a>GtkApplication</span></h2>
<p>GtkApplication — Application class</p>
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<div class="refsect1">
<a name="GtkApplication.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_proto_type">
<col class="functions_proto_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a class="link" href="GtkApplication.html" title="GtkApplication"><span class="returnvalue">GtkApplication</span></a> *
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-new" title="gtk_application_new ()">gtk_application_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-add-window" title="gtk_application_add_window ()">gtk_application_add_window</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-remove-window" title="gtk_application_remove_window ()">gtk_application_remove_window</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GList</span> *
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-get-windows" title="gtk_application_get_windows ()">gtk_application_get_windows</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GtkWindow.html" title="GtkWindow"><span class="returnvalue">GtkWindow</span></a> *
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-get-window-by-id" title="gtk_application_get_window_by_id ()">gtk_application_get_window_by_id</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GtkWindow.html" title="GtkWindow"><span class="returnvalue">GtkWindow</span></a> *
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-get-active-window" title="gtk_application_get_active_window ()">gtk_application_get_active_window</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">guint</span>
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-inhibit" title="gtk_application_inhibit ()">gtk_application_inhibit</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-uninhibit" title="gtk_application_uninhibit ()">gtk_application_uninhibit</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-is-inhibited" title="gtk_application_is_inhibited ()">gtk_application_is_inhibited</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-prefers-app-menu" title="gtk_application_prefers_app_menu ()">gtk_application_prefers_app_menu</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GMenuModel</span> *
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-get-app-menu" title="gtk_application_get_app_menu ()">gtk_application_get_app_menu</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-set-app-menu" title="gtk_application_set_app_menu ()">gtk_application_set_app_menu</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GMenuModel</span> *
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-get-menubar" title="gtk_application_get_menubar ()">gtk_application_get_menubar</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-set-menubar" title="gtk_application_set_menubar ()">gtk_application_set_menubar</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GMenu</span> *
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-get-menu-by-id" title="gtk_application_get_menu_by_id ()">gtk_application_get_menu_by_id</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-add-accelerator" title="gtk_application_add_accelerator ()">gtk_application_add_accelerator</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-remove-accelerator" title="gtk_application_remove_accelerator ()">gtk_application_remove_accelerator</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gchar</span> **
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-list-action-descriptions" title="gtk_application_list_action_descriptions ()">gtk_application_list_action_descriptions</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gchar</span> **
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-get-accels-for-action" title="gtk_application_get_accels_for_action ()">gtk_application_get_accels_for_action</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-set-accels-for-action" title="gtk_application_set_accels_for_action ()">gtk_application_set_accels_for_action</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gchar</span> **
</td>
<td class="function_name">
<a class="link" href="GtkApplication.html#gtk-application-get-actions-for-accel" title="gtk_application_get_actions_for_accel ()">gtk_application_get_actions_for_accel</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GtkApplication.properties"></a><h2>Properties</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type">
<a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a> *</td>
<td class="property_name"><a class="link" href="GtkApplication.html#GtkApplication--active-window" title="The “active-window” property">active-window</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type">
<span class="type">GMenuModel</span> *</td>
<td class="property_name"><a class="link" href="GtkApplication.html#GtkApplication--app-menu" title="The “app-menu” property">app-menu</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type">
<span class="type">GMenuModel</span> *</td>
<td class="property_name"><a class="link" href="GtkApplication.html#GtkApplication--menubar" title="The “menubar” property">menubar</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">gboolean</span></td>
<td class="property_name"><a class="link" href="GtkApplication.html#GtkApplication--register-session" title="The “register-session” property">register-session</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">gboolean</span></td>
<td class="property_name"><a class="link" href="GtkApplication.html#GtkApplication--screensaver-active" title="The “screensaver-active” property">screensaver-active</a></td>
<td class="property_flags">Read</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GtkApplication.signals"></a><h2>Signals</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="signal_proto_type">
<col width="300px" class="signal_proto_name">
<col width="200px" class="signal_proto_flags">
</colgroup>
<tbody>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="GtkApplication.html#GtkApplication-query-end" title="The “query-end” signal">query-end</a></td>
<td class="signal_flags">Run First</td>
</tr>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="GtkApplication.html#GtkApplication-window-added" title="The “window-added” signal">window-added</a></td>
<td class="signal_flags">Run First</td>
</tr>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="GtkApplication.html#GtkApplication-window-removed" title="The “window-removed” signal">window-removed</a></td>
<td class="signal_flags">Run First</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GtkApplication.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="other_proto_type">
<col class="other_proto_name">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="GtkApplication.html#GtkApplication-struct" title="struct GtkApplication">GtkApplication</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="GtkApplication.html#GtkApplicationClass" title="struct GtkApplicationClass">GtkApplicationClass</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="GtkApplication.html#GtkApplicationInhibitFlags" title="enum GtkApplicationInhibitFlags">GtkApplicationInhibitFlags</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GtkApplication.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    GObject
    <span class="lineart">╰──</span> GApplication
        <span class="lineart">╰──</span> GtkApplication
</pre>
</div>
<div class="refsect1">
<a name="GtkApplication.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GtkApplication implements
 GActionGroup and  GActionMap.</p>
</div>
<div class="refsect1">
<a name="GtkApplication.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;gtk/gtk.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="GtkApplication.description"></a><h2>Description</h2>
<p><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> is a class that handles many important aspects
of a GTK+ application in a convenient fashion, without enforcing
a one-size-fits-all application model.</p>
<p>Currently, GtkApplication handles GTK+ initialization, application
uniqueness, session management, provides some basic scriptability and
desktop shell integration by exporting actions and menus and manages a
list of toplevel windows whose life-cycle is automatically tied to the
life-cycle of your application.</p>
<p>While GtkApplication works fine with plain <a href="GtkWindow.html#GtkWindow-struct"><span class="type">GtkWindows</span></a>, it is recommended
to use it together with <a class="link" href="GtkApplicationWindow.html" title="GtkApplicationWindow"><span class="type">GtkApplicationWindow</span></a>.</p>
<p>When GDK threads are enabled, GtkApplication will acquire the GDK
lock when invoking actions that arrive from other processes.  The GDK
lock is not touched for local action invocations.  In order to have
actions invoked in a predictable context it is therefore recommended
that the GDK lock be held while invoking actions locally with
<code class="function">g_action_group_activate_action()</code>.  The same applies to actions
associated with <a class="link" href="GtkApplicationWindow.html" title="GtkApplicationWindow"><span class="type">GtkApplicationWindow</span></a> and to the “activate” and
“open” <span class="type">GApplication</span> methods.</p>
<div class="refsect3">
<a name="automatic-resources"></a><h4>Automatic resources</h4>
<p><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> will automatically load menus from the <a class="link" href="GtkBuilder.html" title="GtkBuilder"><span class="type">GtkBuilder</span></a>
resource located at "gtk/menus.ui", relative to the application's
resource base path (see <code class="function">g_application_set_resource_base_path()</code>).  The
menu with the ID "app-menu" is taken as the application's app menu
and the menu with the ID "menubar" is taken as the application's
menubar.  Additional menus (most interesting submenus) can be named
and accessed via <a class="link" href="GtkApplication.html#gtk-application-get-menu-by-id" title="gtk_application_get_menu_by_id ()"><code class="function">gtk_application_get_menu_by_id()</code></a> which allows for
dynamic population of a part of the menu structure.</p>
<p>If the resources "gtk/menus-appmenu.ui" or "gtk/menus-traditional.ui" are
present then these files will be used in preference, depending on the value
of <a class="link" href="GtkApplication.html#gtk-application-prefers-app-menu" title="gtk_application_prefers_app_menu ()"><code class="function">gtk_application_prefers_app_menu()</code></a>. If the resource "gtk/menus-common.ui"
is present it will be loaded as well. This is useful for storing items that
are referenced from both "gtk/menus-appmenu.ui" and
"gtk/menus-traditional.ui".</p>
<p>It is also possible to provide the menus manually using
<a class="link" href="GtkApplication.html#gtk-application-set-app-menu" title="gtk_application_set_app_menu ()"><code class="function">gtk_application_set_app_menu()</code></a> and <a class="link" href="GtkApplication.html#gtk-application-set-menubar" title="gtk_application_set_menubar ()"><code class="function">gtk_application_set_menubar()</code></a>.</p>
<p><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> will also automatically setup an icon search path for
the default icon theme by appending "icons" to the resource base
path.  This allows your application to easily store its icons as
resources.  See <a class="link" href="GtkIconTheme.html#gtk-icon-theme-add-resource-path" title="gtk_icon_theme_add_resource_path ()"><code class="function">gtk_icon_theme_add_resource_path()</code></a> for more
information.</p>
<p>If there is a resource located at "gtk/help-overlay.ui" which
defines a <a class="link" href="GtkShortcutsWindow.html" title="GtkShortcutsWindow"><span class="type">GtkShortcutsWindow</span></a> with ID "help_overlay" then GtkApplication
associates an instance of this shortcuts window with each
<a class="link" href="GtkApplicationWindow.html" title="GtkApplicationWindow"><span class="type">GtkApplicationWindow</span></a> and sets up keyboard accelerators (Control-F1
and Control-?) to open it. To create a menu item that displays the
shortcuts window, associate the item with the action win.show-help-overlay.</p>
</div>
<div class="refsect3">
<a name="gtkapplication"></a><h4>A simple application</h4>
<p><a class="ulink" href="https://git.gnome.org/browse/gtk+/tree/examples/bp/bloatpad.c" target="_top">A simple example</a></p>
<p>GtkApplication optionally registers with a session manager
of the users session (if you set the <a class="link" href="GtkApplication.html#GtkApplication--register-session" title="The “register-session” property"><span class="type">“register-session”</span></a>
property) and offers various functionality related to the session
life-cycle.</p>
<p>An application can block various ways to end the session with
the <a class="link" href="GtkApplication.html#gtk-application-inhibit" title="gtk_application_inhibit ()"><code class="function">gtk_application_inhibit()</code></a> function. Typical use cases for
this kind of inhibiting are long-running, uninterruptible operations,
such as burning a CD or performing a disk backup. The session
manager may not honor the inhibitor, but it can be expected to
inform the user about the negative consequences of ending the
session while inhibitors are present.</p>
</div>
<div class="refsect3">
<a name="seealso"></a><h4>See Also</h4>
<p><a class="ulink" href="https://wiki.gnome.org/HowDoI/GtkApplication" target="_top">HowDoI: Using GtkApplication</a>,
<a class="ulink" href="https://developer.gnome.org/gtk3/stable/gtk-getting-started.html#id-1.2.3.3" target="_top">Getting Started with GTK+: Basics</a></p>
</div>
</div>
<div class="refsect1">
<a name="GtkApplication.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gtk-application-new"></a><h3>gtk_application_new ()</h3>
<pre class="programlisting"><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="returnvalue">GtkApplication</span></a> *
gtk_application_new (<em class="parameter"><code>const <span class="type">gchar</span> *application_id</code></em>,
                     <em class="parameter"><code><span class="type">GApplicationFlags</span> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> instance.</p>
<p>When using <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a>, it is not necessary to call <a class="link" href="gtk3-General.html#gtk-init" title="gtk_init ()"><code class="function">gtk_init()</code></a>
manually. It is called as soon as the application gets registered as
the primary instance.</p>
<p>Concretely, <a class="link" href="gtk3-General.html#gtk-init" title="gtk_init ()"><code class="function">gtk_init()</code></a> is called in the default handler for the
<span class="type">“startup”</span> signal. Therefore, <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> subclasses should
chain up in their <span class="type">“startup”</span> handler before using any GTK+ API.</p>
<p>Note that commandline arguments are not passed to <a class="link" href="gtk3-General.html#gtk-init" title="gtk_init ()"><code class="function">gtk_init()</code></a>.
All GTK+ functionality that is available via commandline arguments
can also be achieved by setting suitable environment variables
such as <code class="literal">G_DEBUG</code>, so this should not be a big
problem. If you absolutely must support GTK+ commandline arguments,
you can explicitly call <a class="link" href="gtk3-General.html#gtk-init" title="gtk_init ()"><code class="function">gtk_init()</code></a> before creating the application
instance.</p>
<p>If non-<code class="literal">NULL</code>, the application ID must be valid.  See
<code class="function">g_application_id_is_valid()</code>.</p>
<p>If no application ID is given then some features (most notably application 
uniqueness) will be disabled. A null application ID is only allowed with 
GTK+ 3.6 or later.</p>
<div class="refsect3">
<a name="gtk-application-new.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application_id</p></td>
<td class="parameter_description"><p>The application ID. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>the application flags</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-application-new.returns"></a><h4>Returns</h4>
<p> a new <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> instance</p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-0.html#api-index-3.0">3.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-add-window"></a><h3>gtk_application_add_window ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_application_add_window (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>,
                            <em class="parameter"><code><a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a> *window</code></em>);</pre>
<p>Adds a window to <em class="parameter"><code>application</code></em>
.</p>
<p>This call can only happen after the <em class="parameter"><code>application</code></em>
 has started;
typically, you should add new application windows in response
to the emission of the <span class="type">“activate”</span> signal.</p>
<p>This call is equivalent to setting the <a class="link" href="GtkWindow.html#GtkWindow--application" title="The “application” property"><span class="type">“application”</span></a>
property of <em class="parameter"><code>window</code></em>
 to <em class="parameter"><code>application</code></em>
.</p>
<p>Normally, the connection between the application and the window
will remain until the window is destroyed, but you can explicitly
remove it with <a class="link" href="GtkApplication.html#gtk-application-remove-window" title="gtk_application_remove_window ()"><code class="function">gtk_application_remove_window()</code></a>.</p>
<p>GTK+ will keep the <em class="parameter"><code>application</code></em>
 running as long as it has
any windows.</p>
<div class="refsect3">
<a name="gtk-application-add-window.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>window</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-3-0.html#api-index-3.0">3.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-remove-window"></a><h3>gtk_application_remove_window ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_application_remove_window (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>,
                               <em class="parameter"><code><a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a> *window</code></em>);</pre>
<p>Remove a window from <em class="parameter"><code>application</code></em>
.</p>
<p>If <em class="parameter"><code>window</code></em>
 belongs to <em class="parameter"><code>application</code></em>
 then this call is equivalent to
setting the <a class="link" href="GtkWindow.html#GtkWindow--application" title="The “application” property"><span class="type">“application”</span></a> property of <em class="parameter"><code>window</code></em>
 to
<code class="literal">NULL</code>.</p>
<p>The application may stop running as a result of a call to this
function.</p>
<div class="refsect3">
<a name="gtk-application-remove-window.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>window</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-3-0.html#api-index-3.0">3.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-get-windows"></a><h3>gtk_application_get_windows ()</h3>
<pre class="programlisting"><span class="returnvalue">GList</span> *
gtk_application_get_windows (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>);</pre>
<p>Gets a list of the <a href="GtkWindow.html#GtkWindow-struct"><span class="type">GtkWindows</span></a> associated with <em class="parameter"><code>application</code></em>
.</p>
<p>The list is sorted by most recently focused window, such that the first
element is the currently focused window. (Useful for choosing a parent
for a transient window.)</p>
<p>The list that is returned should not be modified in any way. It will
only remain valid until the next focus change or window creation or
deletion.</p>
<div class="refsect3">
<a name="gtk-application-get-windows.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-application-get-windows.returns"></a><h4>Returns</h4>
<p>a <span class="type">GList</span> of <a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a>. </p>
<p><span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> GtkWindow][<acronym title="The data is owned by the callee, which is responsible of freeing it."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-0.html#api-index-3.0">3.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-get-window-by-id"></a><h3>gtk_application_get_window_by_id ()</h3>
<pre class="programlisting"><a class="link" href="GtkWindow.html" title="GtkWindow"><span class="returnvalue">GtkWindow</span></a> *
gtk_application_get_window_by_id (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>,
                                  <em class="parameter"><code><span class="type">guint</span> id</code></em>);</pre>
<p>Returns the <a class="link" href="GtkApplicationWindow.html" title="GtkApplicationWindow"><span class="type">GtkApplicationWindow</span></a> with the given ID.</p>
<p>The ID of a <a class="link" href="GtkApplicationWindow.html" title="GtkApplicationWindow"><span class="type">GtkApplicationWindow</span></a> can be retrieved with
<a class="link" href="GtkApplicationWindow.html#gtk-application-window-get-id" title="gtk_application_window_get_id ()"><code class="function">gtk_application_window_get_id()</code></a>.</p>
<div class="refsect3">
<a name="gtk-application-get-window-by-id.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>id</p></td>
<td class="parameter_description"><p>an identifier number</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-application-get-window-by-id.returns"></a><h4>Returns</h4>
<p>the window with ID <em class="parameter"><code>id</code></em>
, or
<code class="literal">NULL</code> if there is no window with this ID. </p>
<p><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>][<acronym title="The data is owned by the callee, which is responsible of freeing it."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-6.html#api-index-3.6">3.6</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-get-active-window"></a><h3>gtk_application_get_active_window ()</h3>
<pre class="programlisting"><a class="link" href="GtkWindow.html" title="GtkWindow"><span class="returnvalue">GtkWindow</span></a> *
gtk_application_get_active_window (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>);</pre>
<p>Gets the “active” window for the application.</p>
<p>The active window is the one that was most recently focused (within
the application).  This window may not have the focus at the moment
if another application has it — this is just the most
recently-focused window within this application.</p>
<div class="refsect3">
<a name="gtk-application-get-active-window.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-application-get-active-window.returns"></a><h4>Returns</h4>
<p>the active window, or <code class="literal">NULL</code> if
there isn't one. </p>
<p><span class="annotation">[<acronym title="The data is owned by the callee, which is responsible of freeing it."><span class="acronym">transfer none</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-6.html#api-index-3.6">3.6</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-inhibit"></a><h3>gtk_application_inhibit ()</h3>
<pre class="programlisting"><span class="returnvalue">guint</span>
gtk_application_inhibit (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>,
                         <em class="parameter"><code><a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a> *window</code></em>,
                         <em class="parameter"><code><a class="link" href="GtkApplication.html#GtkApplicationInhibitFlags" title="enum GtkApplicationInhibitFlags"><span class="type">GtkApplicationInhibitFlags</span></a> flags</code></em>,
                         <em class="parameter"><code>const <span class="type">gchar</span> *reason</code></em>);</pre>
<p>Inform the session manager that certain types of actions should be
inhibited. This is not guaranteed to work on all platforms and for
all types of actions.</p>
<p>Applications should invoke this method when they begin an operation
that should not be interrupted, such as creating a CD or DVD. The
types of actions that may be blocked are specified by the <em class="parameter"><code>flags</code></em>

parameter. When the application completes the operation it should
call <a class="link" href="GtkApplication.html#gtk-application-uninhibit" title="gtk_application_uninhibit ()"><code class="function">gtk_application_uninhibit()</code></a> to remove the inhibitor. Note that
an application can have multiple inhibitors, and all of them must
be individually removed. Inhibitors are also cleared when the
application exits.</p>
<p>Applications should not expect that they will always be able to block
the action. In most cases, users will be given the option to force
the action to take place.</p>
<p>Reasons should be short and to the point.</p>
<p>If <em class="parameter"><code>window</code></em>
 is given, the session manager may point the user to
this window to find out more about why the action is inhibited.</p>
<div class="refsect3">
<a name="gtk-application-inhibit.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>the <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>window</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a>, or <code class="literal">NULL</code>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>what types of actions should be inhibited</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>reason</p></td>
<td class="parameter_description"><p>a short, human-readable string that explains
why these operations are inhibited. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-application-inhibit.returns"></a><h4>Returns</h4>
<p> A non-zero cookie that is used to uniquely identify this
request. It should be used as an argument to <a class="link" href="GtkApplication.html#gtk-application-uninhibit" title="gtk_application_uninhibit ()"><code class="function">gtk_application_uninhibit()</code></a>
in order to remove the request. If the platform does not support
inhibiting or the request failed for some reason, 0 is returned.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-4.html#api-index-3.4">3.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-uninhibit"></a><h3>gtk_application_uninhibit ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_application_uninhibit (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>,
                           <em class="parameter"><code><span class="type">guint</span> cookie</code></em>);</pre>
<p>Removes an inhibitor that has been established with <a class="link" href="GtkApplication.html#gtk-application-inhibit" title="gtk_application_inhibit ()"><code class="function">gtk_application_inhibit()</code></a>.
Inhibitors are also cleared when the application exits.</p>
<div class="refsect3">
<a name="gtk-application-uninhibit.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>the <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cookie</p></td>
<td class="parameter_description"><p>a cookie that was returned by <a class="link" href="GtkApplication.html#gtk-application-inhibit" title="gtk_application_inhibit ()"><code class="function">gtk_application_inhibit()</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-3-4.html#api-index-3.4">3.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-is-inhibited"></a><h3>gtk_application_is_inhibited ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
gtk_application_is_inhibited (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>,
                              <em class="parameter"><code><a class="link" href="GtkApplication.html#GtkApplicationInhibitFlags" title="enum GtkApplicationInhibitFlags"><span class="type">GtkApplicationInhibitFlags</span></a> flags</code></em>);</pre>
<p>Determines if any of the actions specified in <em class="parameter"><code>flags</code></em>
 are
currently inhibited (possibly by another application).</p>
<p>Note that this information may not be available (for example
when the application is running in a sandbox).</p>
<div class="refsect3">
<a name="gtk-application-is-inhibited.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>the <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>what types of actions should be queried</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-application-is-inhibited.returns"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if any of the actions specified in <em class="parameter"><code>flags</code></em>
are inhibited</p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-4.html#api-index-3.4">3.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-prefers-app-menu"></a><h3>gtk_application_prefers_app_menu ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
gtk_application_prefers_app_menu (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>);</pre>
<p>Determines if the desktop environment in which the application is
running would prefer an application menu be shown.</p>
<p>If this function returns <code class="literal">TRUE</code> then the application should call
<a class="link" href="GtkApplication.html#gtk-application-set-app-menu" title="gtk_application_set_app_menu ()"><code class="function">gtk_application_set_app_menu()</code></a> with the contents of an application
menu, which will be shown by the desktop environment.  If it returns
<code class="literal">FALSE</code> then you should consider using an alternate approach, such as
a menubar.</p>
<p>The value returned by this function is purely advisory and you are
free to ignore it.  If you call <a class="link" href="GtkApplication.html#gtk-application-set-app-menu" title="gtk_application_set_app_menu ()"><code class="function">gtk_application_set_app_menu()</code></a> even
if the desktop environment doesn't support app menus, then a fallback
will be provided.</p>
<p>Applications are similarly free not to set an app menu even if the
desktop environment wants to show one.  In that case, a fallback will
also be created by the desktop environment (GNOME, for example, uses
a menu with only a "Quit" item in it).</p>
<p>The value returned by this function never changes.  Once it returns a
particular value, it is guaranteed to always return the same value.</p>
<p>You may only call this function after the application has been
registered and after the base startup handler has run.  You're most
likely to want to use this from your own startup handler.  It may
also make sense to consult this function while constructing UI (in
activate, open or an action activation handler) in order to determine
if you should show a gear menu or not.</p>
<p>This function will return <code class="literal">FALSE</code> on Mac OS and a default app menu
will be created automatically with the "usual" contents of that menu
typical to most Mac OS applications.  If you call
<a class="link" href="GtkApplication.html#gtk-application-set-app-menu" title="gtk_application_set_app_menu ()"><code class="function">gtk_application_set_app_menu()</code></a> anyway, then this menu will be
replaced with your own.</p>
<div class="refsect3">
<a name="gtk-application-prefers-app-menu.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-application-prefers-app-menu.returns"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if you should set an app menu</p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-14.html#api-index-3.14">3.14</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-get-app-menu"></a><h3>gtk_application_get_app_menu ()</h3>
<pre class="programlisting"><span class="returnvalue">GMenuModel</span> *
gtk_application_get_app_menu (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>);</pre>
<p>Returns the menu model that has been set with
<a class="link" href="GtkApplication.html#gtk-application-set-app-menu" title="gtk_application_set_app_menu ()"><code class="function">gtk_application_set_app_menu()</code></a>.</p>
<div class="refsect3">
<a name="gtk-application-get-app-menu.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-application-get-app-menu.returns"></a><h4>Returns</h4>
<p>the application menu of <em class="parameter"><code>application</code></em>
or <code class="literal">NULL</code> if no application menu has been set. </p>
<p><span class="annotation">[<acronym title="The data is owned by the callee, which is responsible of freeing it."><span class="acronym">transfer none</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-4.html#api-index-3.4">3.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-set-app-menu"></a><h3>gtk_application_set_app_menu ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_application_set_app_menu (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>,
                              <em class="parameter"><code><span class="type">GMenuModel</span> *app_menu</code></em>);</pre>
<p>Sets or unsets the application menu for <em class="parameter"><code>application</code></em>
.</p>
<p>This can only be done in the primary instance of the application,
after it has been registered.  <span class="type">“startup”</span> is a good place
to call this.</p>
<p>The application menu is a single menu containing items that typically
impact the application as a whole, rather than acting on a specific
window or document.  For example, you would expect to see
“Preferences” or “Quit” in an application menu, but not “Save” or
“Print”.</p>
<p>If supported, the application menu will be rendered by the desktop
environment.</p>
<p>Use the base <span class="type">GActionMap</span> interface to add actions, to respond to the user
selecting these menu items.</p>
<div class="refsect3">
<a name="gtk-application-set-app-menu.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>app_menu</p></td>
<td class="parameter_description"><p>a <span class="type">GMenuModel</span>, or <code class="literal">NULL</code>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-3-4.html#api-index-3.4">3.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-get-menubar"></a><h3>gtk_application_get_menubar ()</h3>
<pre class="programlisting"><span class="returnvalue">GMenuModel</span> *
gtk_application_get_menubar (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>);</pre>
<p>Returns the menu model that has been set with
<a class="link" href="GtkApplication.html#gtk-application-set-menubar" title="gtk_application_set_menubar ()"><code class="function">gtk_application_set_menubar()</code></a>.</p>
<div class="refsect3">
<a name="gtk-application-get-menubar.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-application-get-menubar.returns"></a><h4>Returns</h4>
<p>the menubar for windows of <em class="parameter"><code>application</code></em>
. </p>
<p><span class="annotation">[<acronym title="The data is owned by the callee, which is responsible of freeing it."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-4.html#api-index-3.4">3.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-set-menubar"></a><h3>gtk_application_set_menubar ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_application_set_menubar (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>,
                             <em class="parameter"><code><span class="type">GMenuModel</span> *menubar</code></em>);</pre>
<p>Sets or unsets the menubar for windows of <em class="parameter"><code>application</code></em>
.</p>
<p>This is a menubar in the traditional sense.</p>
<p>This can only be done in the primary instance of the application,
after it has been registered.  <span class="type">“startup”</span> is a good place
to call this.</p>
<p>Depending on the desktop environment, this may appear at the top of
each window, or at the top of the screen.  In some environments, if
both the application menu and the menubar are set, the application
menu will be presented as if it were the first item of the menubar.
Other environments treat the two as completely separate — for example,
the application menu may be rendered by the desktop shell while the
menubar (if set) remains in each individual window.</p>
<p>Use the base <span class="type">GActionMap</span> interface to add actions, to respond to the
user selecting these menu items.</p>
<div class="refsect3">
<a name="gtk-application-set-menubar.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>menubar</p></td>
<td class="parameter_description"><p>a <span class="type">GMenuModel</span>, or <code class="literal">NULL</code>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-3-4.html#api-index-3.4">3.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-get-menu-by-id"></a><h3>gtk_application_get_menu_by_id ()</h3>
<pre class="programlisting"><span class="returnvalue">GMenu</span> *
gtk_application_get_menu_by_id (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>,
                                <em class="parameter"><code>const <span class="type">gchar</span> *id</code></em>);</pre>
<p>Gets a menu from automatically loaded resources.
See <a class="link" href="GtkApplication.html#automatic-resources" title="Automatic resources">Automatic resources</a>
for more information.</p>
<div class="refsect3">
<a name="gtk-application-get-menu-by-id.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>id</p></td>
<td class="parameter_description"><p>the id of the menu to look up</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-application-get-menu-by-id.returns"></a><h4>Returns</h4>
<p>Gets the menu with the
given id from the automatically loaded resources. </p>
<p><span class="annotation">[<acronym title="The data is owned by the callee, which is responsible of freeing it."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-14.html#api-index-3.14">3.14</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-add-accelerator"></a><h3>gtk_application_add_accelerator ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_application_add_accelerator (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>,
                                 <em class="parameter"><code>const <span class="type">gchar</span> *accelerator</code></em>,
                                 <em class="parameter"><code>const <span class="type">gchar</span> *action_name</code></em>,
                                 <em class="parameter"><code><span class="type">GVariant</span> *parameter</code></em>);</pre>
<div class="warning">
<p><code class="literal">gtk_application_add_accelerator</code> has been deprecated since version 3.14 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="GtkApplication.html#gtk-application-set-accels-for-action" title="gtk_application_set_accels_for_action ()"><code class="function">gtk_application_set_accels_for_action()</code></a> instead</p>
</div>
<p>Installs an accelerator that will cause the named action
to be activated when the key combination specificed by <em class="parameter"><code>accelerator</code></em>

is pressed.</p>
<p><em class="parameter"><code>accelerator</code></em>
 must be a string that can be parsed by <a class="link" href="gtk3-Keyboard-Accelerators.html#gtk-accelerator-parse" title="gtk_accelerator_parse ()"><code class="function">gtk_accelerator_parse()</code></a>,
e.g. "&lt;Primary&gt;q" or “&lt;Control&gt;&lt;Alt&gt;p”.</p>
<p><em class="parameter"><code>action_name</code></em>
 must be the name of an action as it would be used
in the app menu, i.e. actions that have been added to the application
are referred to with an “app.” prefix, and window-specific actions
with a “win.” prefix.</p>
<p>GtkApplication also extracts accelerators out of “accel” attributes
in the <span class="type">GMenuModels</span> passed to <a class="link" href="GtkApplication.html#gtk-application-set-app-menu" title="gtk_application_set_app_menu ()"><code class="function">gtk_application_set_app_menu()</code></a> and
<a class="link" href="GtkApplication.html#gtk-application-set-menubar" title="gtk_application_set_menubar ()"><code class="function">gtk_application_set_menubar()</code></a>, which is usually more convenient
than calling this function for each accelerator.</p>
<div class="refsect3">
<a name="gtk-application-add-accelerator.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>accelerator</p></td>
<td class="parameter_description"><p>accelerator string</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>action_name</p></td>
<td class="parameter_description"><p>the name of the action to activate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>parameter</p></td>
<td class="parameter_description"><p>parameter to pass when activating the action,
or <code class="literal">NULL</code> if the action does not accept an activation parameter. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-3-4.html#api-index-3.4">3.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-remove-accelerator"></a><h3>gtk_application_remove_accelerator ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_application_remove_accelerator (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>,
                                    <em class="parameter"><code>const <span class="type">gchar</span> *action_name</code></em>,
                                    <em class="parameter"><code><span class="type">GVariant</span> *parameter</code></em>);</pre>
<div class="warning">
<p><code class="literal">gtk_application_remove_accelerator</code> has been deprecated since version 3.14 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="GtkApplication.html#gtk-application-set-accels-for-action" title="gtk_application_set_accels_for_action ()"><code class="function">gtk_application_set_accels_for_action()</code></a> instead</p>
</div>
<p>Removes an accelerator that has been previously added
with <a class="link" href="GtkApplication.html#gtk-application-add-accelerator" title="gtk_application_add_accelerator ()"><code class="function">gtk_application_add_accelerator()</code></a>.</p>
<div class="refsect3">
<a name="gtk-application-remove-accelerator.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>action_name</p></td>
<td class="parameter_description"><p>the name of the action to activate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>parameter</p></td>
<td class="parameter_description"><p>parameter to pass when activating the action,
or <code class="literal">NULL</code> if the action does not accept an activation parameter. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-3-4.html#api-index-3.4">3.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-list-action-descriptions"></a><h3>gtk_application_list_action_descriptions ()</h3>
<pre class="programlisting"><span class="returnvalue">gchar</span> **
gtk_application_list_action_descriptions
                               (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>);</pre>
<p>Lists the detailed action names which have associated accelerators.
See <a class="link" href="GtkApplication.html#gtk-application-set-accels-for-action" title="gtk_application_set_accels_for_action ()"><code class="function">gtk_application_set_accels_for_action()</code></a>.</p>
<div class="refsect3">
<a name="gtk-application-list-action-descriptions.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-application-list-action-descriptions.returns"></a><h4>Returns</h4>
<p>a <code class="literal">NULL</code>-terminated array of strings,
free with <code class="function">g_strfreev()</code> when done. </p>
<p><span class="annotation">[<acronym title="The caller owns the data, and is responsible for free it."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-12.html#api-index-3.12">3.12</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-get-accels-for-action"></a><h3>gtk_application_get_accels_for_action ()</h3>
<pre class="programlisting"><span class="returnvalue">gchar</span> **
gtk_application_get_accels_for_action (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>,
                                       <em class="parameter"><code>const <span class="type">gchar</span> *detailed_action_name</code></em>);</pre>
<p>Gets the accelerators that are currently associated with
the given action.</p>
<div class="refsect3">
<a name="gtk-application-get-accels-for-action.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>detailed_action_name</p></td>
<td class="parameter_description"><p>a detailed action name, specifying an action
and target to obtain accelerators for</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-application-get-accels-for-action.returns"></a><h4>Returns</h4>
<p>accelerators for <em class="parameter"><code>detailed_action_name</code></em>
, as
a <code class="literal">NULL</code>-terminated array. Free with <code class="function">g_strfreev()</code> when no longer needed. </p>
<p><span class="annotation">[<acronym title="The caller owns the data, and is responsible for free it."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-12.html#api-index-3.12">3.12</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-set-accels-for-action"></a><h3>gtk_application_set_accels_for_action ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_application_set_accels_for_action (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>,
                                       <em class="parameter"><code>const <span class="type">gchar</span> *detailed_action_name</code></em>,
                                       <em class="parameter"><code>const <span class="type">gchar</span> * const *accels</code></em>);</pre>
<p>Sets zero or more keyboard accelerators that will trigger the
given action. The first item in <em class="parameter"><code>accels</code></em>
 will be the primary
accelerator, which may be displayed in the UI.</p>
<p>To remove all accelerators for an action, use an empty, zero-terminated
array for <em class="parameter"><code>accels</code></em>
.</p>
<p>For the <em class="parameter"><code>detailed_action_name</code></em>
, see <code class="function">g_action_parse_detailed_name()</code> and
<code class="function">g_action_print_detailed_name()</code>.</p>
<div class="refsect3">
<a name="gtk-application-set-accels-for-action.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>detailed_action_name</p></td>
<td class="parameter_description"><p>a detailed action name, specifying an action
and target to associate accelerators with</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>accels</p></td>
<td class="parameter_description"><p>a list of accelerators in the format
understood by <a class="link" href="gtk3-Keyboard-Accelerators.html#gtk-accelerator-parse" title="gtk_accelerator_parse ()"><code class="function">gtk_accelerator_parse()</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-3-12.html#api-index-3.12">3.12</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-application-get-actions-for-accel"></a><h3>gtk_application_get_actions_for_accel ()</h3>
<pre class="programlisting"><span class="returnvalue">gchar</span> **
gtk_application_get_actions_for_accel (<em class="parameter"><code><a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application</code></em>,
                                       <em class="parameter"><code>const <span class="type">gchar</span> *accel</code></em>);</pre>
<p>Returns the list of actions (possibly empty) that <em class="parameter"><code>accel</code></em>
 maps to.
Each item in the list is a detailed action name in the usual form.</p>
<p>This might be useful to discover if an accel already exists in
order to prevent installation of a conflicting accelerator (from
an accelerator editor or a plugin system, for example). Note that
having more than one action per accelerator may not be a bad thing
and might make sense in cases where the actions never appear in the
same context.</p>
<p>In case there are no actions for a given accelerator, an empty array
is returned.  <code class="literal">NULL</code> is never returned.</p>
<p>It is a programmer error to pass an invalid accelerator string.
If you are unsure, check it with <a class="link" href="gtk3-Keyboard-Accelerators.html#gtk-accelerator-parse" title="gtk_accelerator_parse ()"><code class="function">gtk_accelerator_parse()</code></a> first.</p>
<div class="refsect3">
<a name="gtk-application-get-actions-for-accel.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>accel</p></td>
<td class="parameter_description"><p>an accelerator that can be parsed by <a class="link" href="gtk3-Keyboard-Accelerators.html#gtk-accelerator-parse" title="gtk_accelerator_parse ()"><code class="function">gtk_accelerator_parse()</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-application-get-actions-for-accel.returns"></a><h4>Returns</h4>
<p>a <code class="literal">NULL</code>-terminated array of actions for <em class="parameter"><code>accel</code></em>
. </p>
<p><span class="annotation">[<acronym title="The caller owns the data, and is responsible for free it."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-14.html#api-index-3.14">3.14</a></p>
</div>
</div>
<div class="refsect1">
<a name="GtkApplication.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GtkApplication-struct"></a><h3>struct GtkApplication</h3>
<pre class="programlisting">struct GtkApplication;</pre>
</div>
<hr>
<div class="refsect2">
<a name="GtkApplicationClass"></a><h3>struct GtkApplicationClass</h3>
<pre class="programlisting">struct GtkApplicationClass {
  GApplicationClass parent_class;

  void (*window_added)   (GtkApplication *application,
                          GtkWindow      *window);
  void (*window_removed) (GtkApplication *application,
                          GtkWindow      *window);
};
</pre>
<div class="refsect3">
<a name="GtkApplicationClass.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GtkApplicationClass.window-added"></a>window_added</code></em> ()</p></td>
<td class="struct_member_description"><p>Signal emitted when a <a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a> is added to
application through <a class="link" href="GtkApplication.html#gtk-application-add-window" title="gtk_application_add_window ()"><code class="function">gtk_application_add_window()</code></a>.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GtkApplicationClass.window-removed"></a>window_removed</code></em> ()</p></td>
<td class="struct_member_description"><p>Signal emitted when a <a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a> is removed from
application, either as a side-effect of being destroyed or
explicitly through <a class="link" href="GtkApplication.html#gtk-application-remove-window" title="gtk_application_remove_window ()"><code class="function">gtk_application_remove_window()</code></a>.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GtkApplicationInhibitFlags"></a><h3>enum GtkApplicationInhibitFlags</h3>
<p>Types of user actions that may be blocked by <a class="link" href="GtkApplication.html#gtk-application-inhibit" title="gtk_application_inhibit ()"><code class="function">gtk_application_inhibit()</code></a>.</p>
<div class="refsect3">
<a name="GtkApplicationInhibitFlags.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GTK-APPLICATION-INHIBIT-LOGOUT:CAPS"></a>GTK_APPLICATION_INHIBIT_LOGOUT</p></td>
<td class="enum_member_description">
<p>Inhibit ending the user session
by logging out or by shutting down the computer</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GTK-APPLICATION-INHIBIT-SWITCH:CAPS"></a>GTK_APPLICATION_INHIBIT_SWITCH</p></td>
<td class="enum_member_description">
<p>Inhibit user switching</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GTK-APPLICATION-INHIBIT-SUSPEND:CAPS"></a>GTK_APPLICATION_INHIBIT_SUSPEND</p></td>
<td class="enum_member_description">
<p>Inhibit suspending the
session or computer</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GTK-APPLICATION-INHIBIT-IDLE:CAPS"></a>GTK_APPLICATION_INHIBIT_IDLE</p></td>
<td class="enum_member_description">
<p>Inhibit the session being
marked as idle (and possibly locked)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-3-4.html#api-index-3.4">3.4</a></p>
</div>
</div>
<div class="refsect1">
<a name="GtkApplication.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GtkApplication--active-window"></a><h3>The <code class="literal">“active-window”</code> property</h3>
<pre class="programlisting">  “active-window”            <a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a> *</pre>
<p>The window which most recently had focus.</p>
<p>Owner: GtkApplication</p>
<p>Flags: Read</p>
</div>
<hr>
<div class="refsect2">
<a name="GtkApplication--app-menu"></a><h3>The <code class="literal">“app-menu”</code> property</h3>
<pre class="programlisting">  “app-menu”                 <span class="type">GMenuModel</span> *</pre>
<p>The GMenuModel for the application menu.</p>
<p>Owner: GtkApplication</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GtkApplication--menubar"></a><h3>The <code class="literal">“menubar”</code> property</h3>
<pre class="programlisting">  “menubar”                  <span class="type">GMenuModel</span> *</pre>
<p>The GMenuModel for the menubar.</p>
<p>Owner: GtkApplication</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GtkApplication--register-session"></a><h3>The <code class="literal">“register-session”</code> property</h3>
<pre class="programlisting">  “register-session”         <span class="type">gboolean</span></pre>
<p>Set this property to <code class="literal">TRUE</code> to register with the session manager.</p>
<p>Owner: GtkApplication</p>
<p>Flags: Read / Write</p>
<p>Default value: FALSE</p>
<p class="since">Since: <a class="link" href="api-index-3-4.html#api-index-3.4">3.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="GtkApplication--screensaver-active"></a><h3>The <code class="literal">“screensaver-active”</code> property</h3>
<pre class="programlisting">  “screensaver-active”       <span class="type">gboolean</span></pre>
<p>This property is <code class="literal">TRUE</code> if GTK+ believes that the screensaver is
currently active. GTK+ only tracks session state (including this)
when <span class="type">“register-session”</span> is set to <code class="literal">TRUE</code>.</p>
<p>Tracking the screensaver state is supported on Linux.</p>
<p>Owner: GtkApplication</p>
<p>Flags: Read</p>
<p>Default value: FALSE</p>
<p class="since">Since: <a class="link" href="api-index-3-24.html#api-index-3.24">3.24</a></p>
</div>
</div>
<div class="refsect1">
<a name="GtkApplication.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GtkApplication-query-end"></a><h3>The <code class="literal">“query-end”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application,
               <span class="type">gpointer</span>        user_data)</pre>
<p>Emitted when the session manager is about to end the session, only
if <span class="type">“register-session”</span> is <code class="literal">TRUE</code>. Applications can
connect to this signal and call <a class="link" href="GtkApplication.html#gtk-application-inhibit" title="gtk_application_inhibit ()"><code class="function">gtk_application_inhibit()</code></a> with
<a class="link" href="GtkApplication.html#GTK-APPLICATION-INHIBIT-LOGOUT:CAPS"><code class="literal">GTK_APPLICATION_INHIBIT_LOGOUT</code></a> to delay the end of the session
until state has been saved.</p>
<div class="refsect3">
<a name="GtkApplication-query-end.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>the <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> which emitted the signal</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: Run First</p>
<p class="since">Since: 3.24.8</p>
</div>
<hr>
<div class="refsect2">
<a name="GtkApplication-window-added"></a><h3>The <code class="literal">“window-added”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application,
               <a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a>      *window,
               <span class="type">gpointer</span>        user_data)</pre>
<p>Emitted when a <a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a> is added to <em class="parameter"><code>application</code></em>
 through
<a class="link" href="GtkApplication.html#gtk-application-add-window" title="gtk_application_add_window ()"><code class="function">gtk_application_add_window()</code></a>.</p>
<div class="refsect3">
<a name="GtkApplication-window-added.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>the <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> which emitted the signal</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>window</p></td>
<td class="parameter_description"><p>the newly-added <a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: Run First</p>
<p class="since">Since: <a class="link" href="api-index-3-2.html#api-index-3.2">3.2</a></p>
</div>
<hr>
<div class="refsect2">
<a name="GtkApplication-window-removed"></a><h3>The <code class="literal">“window-removed”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> *application,
               <a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a>      *window,
               <span class="type">gpointer</span>        user_data)</pre>
<p>Emitted when a <a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a> is removed from <em class="parameter"><code>application</code></em>
,
either as a side-effect of being destroyed or explicitly
through <a class="link" href="GtkApplication.html#gtk-application-remove-window" title="gtk_application_remove_window ()"><code class="function">gtk_application_remove_window()</code></a>.</p>
<div class="refsect3">
<a name="GtkApplication-window-removed.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>application</p></td>
<td class="parameter_description"><p>the <a class="link" href="GtkApplication.html" title="GtkApplication"><span class="type">GtkApplication</span></a> which emitted the signal</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>window</p></td>
<td class="parameter_description"><p>the <a class="link" href="GtkWindow.html" title="GtkWindow"><span class="type">GtkWindow</span></a> that is being removed</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: Run First</p>
<p class="since">Since: <a class="link" href="api-index-3-2.html#api-index-3.2">3.2</a></p>
</div>
</div>
</div>
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